The HTML5 date input field is specific about the format it uses: RFC 3339 full-date Is it possible to change the legacy date picker to use yyyy-mm-dd format (and update the server side that reads that)? I assume not, so then you can add some Javascript glue code that listens for a change event on … Read more
In November 2005, Matt Cutts, a Google software engineer, said: Google’s home page doesn’t validate and that’s mostly by design to save precious bytes. Will the world end because Google doesn’t put quotes around color attributes? No, and it makes the page load faster. Source: Google Blogoscoped – Matt Cutts, Google’s Gadgets Guy (Interview)
Note, that not all characters are submitted for name attributes of form fields (even when using POST)! White-space characters are trimmed and inner white-space characters as well the character . are replaced by _. (Tested in Chrome 23, Firefox 13 and Internet Explorer 9, all Win7.)
Note, that not all characters are submitted for name attributes of form fields (even when using POST)! White-space characters are trimmed and inner white-space characters as well the character . are replaced by _. (Tested in Chrome 23, Firefox 13 and Internet Explorer 9, all Win7.)
The content property as defined in CSS 2.1 applies to :before and :after pseudo-elements only. By CSS rules, you can specify any property for any element, but specifications have limitations on what properties “apply to” (i.e., have effect on) various elements. The CSS3 Generated and Replaced Content Module, a Working Draft, describes the content property … Read more
While other answers are technically correct, they omit the fact that SVG provides an alternative mechanism for data-*. SVG allows any attribute and tag to be included, as long as it doesn’t conflict with existing ones (in other words: you should use namespaces). To use this (equivalent) mechanism: use mydata:id instead of data-myid, like this: … Read more
It depends on which one is declared last in your stylesheet. For example, .one { border: 6px dashed green } .two { border: 6px dashed orange } vs .two { border: 6px dashed green } .one { border: 6px dashed orange }
Only inline elements may be contained within inline elements. span is an inline element. So, tags like a, img, sup, etc. can go within a span, but block level elements like div and p cannot. UPDATE In reality, different elements which default to inline display behave differently. Some “inline” elements may allow block elements (a … Read more
HTML: text/html, full-stop. XHTML: application/xhtml+xml, or only if following HTML compatbility guidelines, text/html. See the W3 Media Types Note. XML: text/xml, application/xml (RFC 2376). There are also many other media types based around XML, for example application/rss+xml or image/svg+xml. It’s a safe bet that any unrecognised but registered ending in +xml is XML-based. See the … Read more
The : is been chosen because that’s the only sensible separator character for which can be guaranteed that the enduser won’t accidently use it in JSF component IDs (which is been validated) and that it’s possible to use it in CSS selectors by escaping it with \. Note that the HTML4 spec says that the … Read more